If it's actually faster, as benchmarks seem to indicate it is, what does it matter?

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This good for marketing on benchmark, but for real performance not too much help, even read/write large file you can not see too much different unless the SSD is new.

1. The speed of sequence read/write is actually fast enough and don't help a lot in real performance, and just affect very rarely internal large file copy , the faster speed hard to achieve because because copy from external is restricted by USB 3.0 speed.

2. The small file read/write and latency will increase due to worst NAND, it affect the response of the OS, such as Safari read/write cache.

3. The reliability and endurance will reduced.

4. The heat of controller and NAND chip will increase and the speed will reduced due to heat.

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